Blocks

The new Harken Power3 ratchet blocks provide sailors that race small one-designs with three holding-power options to handle a variety of wind and sea conditions. More choices allow sailors to fine-tune their set-ups in tandem with the purchase that...

The Selden auto ratchet blocks are ideal for dinghy mainsheet and spinnaker sheet block. The block makes it easy to advance your grip and offers the perfect combination of control and convenience for trimming in any sailing conditions. The sheave...

Ratchet Block With Base RS Sailing Part # QUE-HF-401

Block, 40mm Autoratchet

75mm Rachet Block Harken Part # 2670 LP Part # 91283

The Ronstan 40mm Orbit Block with Tie is a block with lightweight dyneema link head for tie off attachment.. Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance...

The patented T2 Ratchamatic is Harken’s newest block to feature the T2 line’s styling and soft-attachment system. The weight of this high-strength block is only a few ounces. This is thanks to composite fiber-reinforced sideplates,...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

The 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race. Sheave 16 mm / 5/8 in Length: 54 mm / 2 1/8...

A low-friction Harken 29mm Carbo AirBlocks from Harken. A lightweight, strong, reliable and affordable block. This variation comes with a removable bolt through the middle so it can be undone and connected to various locations on your boat...

Block, 30mm Cheek

The Selden Ball Bearing Block, BBB30, is used when loads are moderate and dynamic. The ball bearings provide low friction sheave rotation with less vibration. This style Ball Bearing Block from Selden is available in 20, 30, 40, and 60 mm sheave...